(RALEIGH) -- The North Carolina chapter of the NAACP spoke out about the results of a review that maintains accreditation for the high schools in the state's largest school system. The groups president Rev. William Barber said the report details what he has long suspected about the Wake County School Board.

"It's shameful and it's sad of what they have done to dismantle and disrupt one of the most prominent, successful school systems," said Barber.

The group requested AdvancEd investigate the school system earlier this year after fears the school board's move to a neighborhood based assignment policy would segregate schools. The issue has attracted national media attention.

AdvanceEd determined that Wake County could keep its high school accreditation but is considered "warned".  AdvancEd CEO Dr. Mark Elgart explained what that means. He said, it "essentially gives the schools approximately one year to make substantive progress along the lines we identified in the report, which are called required actions."

There are seven total actions including plans to guide the work of the school system and instituting policy reviews.  Of particular concern to AdvancEd was the system's use of "attendance nodes" which was found to be inadequate for the system's current rate of growth.